b44c2610e0
Javadoc.
2021-09-18 03:05:51 +02:00
acfc270834
Upgrade dependency.
2021-09-14 13:34:44 +02:00
470bdbb5f3
PMD.
2021-09-01 13:36:40 +02:00
b89f677c67
Relax tolerance (unit tests).
2021-09-01 13:34:56 +02:00
6e11126615
Spurious "throws" clauses.
2021-09-01 11:25:20 +02:00
b222580737
Replace algorithm used in "best list" search.
...
Although efficient in terms of evaluations, "NelderMeadTransform" fails for
some higher-dimensional test functions.
2021-09-01 03:43:05 +02:00
f44cae3985
Upgrade dependency.
2021-08-28 03:19:57 +02:00
1811eeaf37
Unused "import".
2021-08-27 20:58:27 +02:00
bf1c2c214c
Remove obsolete helper class for unit testing.
...
Retries are handled by the "surefire" plugin.
2021-08-27 19:16:03 +02:00
dd0acaa9ff
Relax expectations (unit test).
2021-08-27 19:15:17 +02:00
6f33d5f0a7
Fix incorrect usage of "ROSENBROCK" test function (unit tests).
2021-08-27 18:35:47 +02:00
cc5ae51f98
Favouring the "expanded" simplex over the "reflected" one.
...
This modification decreases the number of function evaluations in several
test cases. Note however that the original description of the algorithm
uses the strict inequality...
2021-08-27 17:24:51 +02:00
f1ad9d1b00
Simplex search in higher-dimensional cases (unit test).
2021-08-27 05:37:49 +02:00
ca826ba76b
Add (back) "POwELL" standard test function for optimizers.
2021-08-26 23:56:42 +02:00
f58da4abf5
Use default SA setup in "SimplexOptimizerTest" (unit test).
...
A single additional search finds the optimum of the test functions.
2021-08-26 02:05:15 +02:00
06ec7ad0bc
MATH-1622: Simulated annealing entails at least one additional search.
...
Also ensure that the "best list" contains at least two points.
2021-08-26 01:39:46 +02:00
677f5f7a3f
Input files for "SimplexOptimizerTest" (unit tests).
2021-08-25 01:51:34 +02:00
2ccdf8d002
MATH-1622: Simulated annealing variant of "NelderMeadTransform".
2021-08-25 01:50:28 +02:00
80a7eb1832
Change how simulated annealing affects the transformed simplex (cf. MATH-1622).
...
Compared with commit 97462b1a1b
2021-08-24 15:46:10 +02:00
c21a810558
Useless local variable.
2021-08-24 04:09:42 +02:00
f8d7476614
Input files for "SimplexOptimizerTest" (unit tests).
2021-08-24 01:28:43 +02:00
97462b1a1b
MATH-1622: Simulated annealing variant of "MultiDirectionalTransform".
2021-08-24 01:18:16 +02:00
47904caeb8
Update exception fr locale to match changes to en locale
2021-08-23 07:40:55 +01:00
21f8008108
MATH-1627: Throw an exception when column or row sums are zero.
2021-08-22 21:43:52 +01:00
991314d461
Remove incorrect localization format for zero exception
2021-08-22 21:43:52 +01:00
dc639967c2
Fix localization formats used by ZeroException.
...
The ZeroException preprends zero to the arguments. The {0} corresponds
to zero. All arguments to be formatted must start at {1}.
2021-08-22 21:43:52 +01:00
fb314ef3df
Spurious "throws" clauses.
2021-08-22 03:46:25 +02:00
9bb5791906
Redundant inner class.
2021-08-22 03:28:37 +02:00
f466637d82
Merge branch 'master' of https://gitbox.apache.org/repos/asf/commons-math
2021-08-22 02:32:10 +02:00
78fbc5f07c
Update script for visual check of "SimplexOptimizerTest" debugging output.
...
Allow displaying negative values of the objective function.
2021-08-22 02:30:01 +02:00
1e7bce134f
Adapt input files for "SimplexOptimizerTest" (unit tests).
...
The current tests are "baseline" (2D) cases.
Further work should check degradation with increased dimensionality.
2021-08-22 02:14:53 +02:00
14ebd93426
Relax expected number of evaluations (unit test).
...
Optimization is sensitive to the change from "AccurateMath" to "Math"
for computing the "pow" function used in "TestFunction.SUM_POW".
2021-08-22 01:10:04 +02:00
bdb4160b00
Add variance tests for zero weights
...
Update javadoc for the behaviour when input weights are zero.
This issue was found when checking the sonar report for the variance
class which has a potential divide by zero if the weights sum to zero.
2021-08-21 14:37:13 +02:00
033c7e2c39
Correct verification of zero length values and weights
...
This bug was found when checking the sonar report for the variance class
which uses MathArrays.verifyValues.
2021-08-21 14:37:13 +02:00
5245a685a0
sonar fix: Handle variance=0 in skewness computation for input array
2021-08-21 14:37:13 +02:00
30aa597f1e
sonar fix: Ensure checkFeasableCount is not negative.
...
Change loop condition to 'i <= checkFeasableCount' from 'i <
checkFeasableCount + 1'
This ensures the loop to identify a new feasible column (RealMatrix
arxk) always executes at least once even with checkFeasibleCount at the
limit of 0 or Integer.MAX_VALUE.
2021-08-21 14:37:13 +02:00
228a832532
Javadoc typo
2021-08-21 14:37:13 +02:00
75c7377e47
Only restore interrupted state if necessary
2021-08-21 14:37:13 +02:00
26e4a737f7
Javadoc typo
2021-08-21 14:37:13 +02:00
1bdb310ffa
Sonar fix: restore thread interrupted state
2021-08-21 14:37:13 +02:00
3ba0221c26
Simplify data format for "SimplexOptimizerTest" (randomized) input.
...
This commit also makes the following changes (unit tests):
* Add/remove/rename/rewrite test functions.
2021-08-21 14:33:30 +02:00
569e35ddbe
Add variance tests for zero weights
...
Update javadoc for the behaviour when input weights are zero.
This issue was found when checking the sonar report for the variance
class which has a potential divide by zero if the weights sum to zero.
2021-08-21 10:04:49 +01:00
a2efd4fad5
Correct verification of zero length values and weights
...
This bug was found when checking the sonar report for the variance class
which uses MathArrays.verifyValues.
2021-08-21 09:58:13 +01:00
3f7de0eb1e
sonar fix: Handle variance=0 in skewness computation for input array
2021-08-21 09:11:05 +01:00
1fdd55981d
sonar fix: Ensure checkFeasableCount is not negative.
...
Change loop condition to 'i <= checkFeasableCount' from 'i <
checkFeasableCount + 1'
This ensures the loop to identify a new feasible column (RealMatrix
arxk) always executes at least once even with checkFeasibleCount at the
limit of 0 or Integer.MAX_VALUE.
2021-08-21 08:16:20 +01:00
69bab476a5
Javadoc typo
2021-08-20 22:23:58 +01:00
5201f2c5fa
Only restore interrupted state if necessary
2021-08-20 21:19:23 +01:00
7ee70ef474
Javadoc typo
2021-08-20 13:44:15 +01:00
09dd29e56d
Sonar fix: restore thread interrupted state
2021-08-20 13:38:10 +01:00
7813ecb115
Update plugin order in pom
...
checkstyle
spotbugs
pmd
2021-08-19 00:35:58 +01:00
Gilles Sadowski
Alex Herbert